Home / 154,458.90-213,155.55-94,032.12

Finding the Fourth Proportional to 154,458.90, 213,155.55 and 94,032.12

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Solution

The fourth proportional to 154,458.90, 213,155.55 and 94,032.12 is: 129,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,458.90 : 213,155.55 = 94,032.12 : x
  2. Step 2: Convert to fraction form
    154,458.90/213,155.55 = 94,032.12/x
  3. Step 3: Cross multiply
    154,458.90x = 213,155.55 × 94,032.12
  4. Step 4: Simplify right side
    154,458.90x = 20,043,468,256.27
  5. Step 5: Solve for x
    x = 20,043,468,256.27/154,458.90
  6. Step 6: Final answer
    x = 129,765.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.